Asus X551MAV 15.6-inch Laptop (Intel Celeron 2.16GHz Processor, 4GB RAM, 500GB HDD, Windows 8.1), Black Intel Celeron N2830 2.16 GHz, 4GB DDR3 RAM, 500GB SATA III hard drive (5400 rpm) 15.6-Inch High-Definition display (1366 x 768) Intel HD UMA graphics, 0.3MP webcam, 1 USB 3.0 and 1 USB 2.0 High-speed wireless LAN (802.11n), 10/100 Mbps Fast Ethernet LAN Windows 8.1